Wyt ti'n gallu gwneud hyn? /
Body, Wendy.
Geoghegan, Adrienne.
Paschalis, Juli.
National Language Unit of Wales.
Caerdydd : Uned Iaith Genedlaethol Cymru CBAC,
1996.
Arg. Saesneg gwreiddiol = Original English ed.: Harlow : Longman Group, 1994.
Addasiad Cymraeg gan = Welsh adaptation by: Julie Paschalis.
Welsh language